Android Open Source - AudioBook Browser Activity Test

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The source code is released under:

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Java Source Code

/**
 *  This work is licensed under the Creative Commons Attribution-NonCommercial-
 *  NoDerivs 3.0 Unported License. To view a copy of this license, visit
 *  http://creativecommons.org/licenses/by-nc-nd/3.0/ or send a letter to 
 *  Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 
 *  94041, USA./*from   ww  w .  j  ava2 s.c  o  m*/
 * 
 *  Use of this work is permitted only in accordance with license rights granted.
 *  Materials provided "AS IS"; no representations or warranties provided.
 * 
 *  Copyright ? 2012 Marcus Parkkinen, Aki K?kel?, Fredrik ?hs.
 **/

package edu.chalmers.dat255.audiobookplayer.view;

import android.test.ActivityInstrumentationTestCase2;
import android.test.TouchUtils;
import android.test.ViewAsserts;
import android.test.suitebuilder.annotation.SmallTest;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ListView;
import edu.chalmers.dat255.audiobookplayer.R;

/**
 * Tests the BrowserActivity class.
 * 
 * @author Fredrik ?hs
 * 
 */
public class BrowserActivityTest extends
    ActivityInstrumentationTestCase2<BrowserActivity> {
  private ListView browserListView;
  private BrowserActivity bActivity;
  private Button createBookButton;

  /**
   * @param name
   */
  public BrowserActivityTest(String name) {
    super(BrowserActivity.class);
    setName(name);
  }

  /*
   * (non-Javadoc)
   * 
   * @see android.test.ActivityInstrumentationTestCase2#setUp()
   */
  @SmallTest
  @Override
  protected void setUp() {
    try {
      super.setUp();
    } catch (Exception e) {
      // catch exceptions from super.setUp() and fail
      fail("setUp failed + " + e.getMessage());
    }
    bActivity = getActivity();
    assertNotNull("BrowserActivity null", bActivity);
    browserListView = (ListView) bActivity.findViewById(R.id.browserList);
    assertNotNull("BrowserActivity browserList null", browserListView);
    createBookButton = (Button) bActivity.findViewById(R.id.createBook);
    assertNotNull("BrowserActivity createBook null", createBookButton);

  }

  /**
   * Test method for
   * {@link edu.chalmers.dat255.audiobookplayer.view.BrowserActivity#onCreate(android.os.Bundle)}
   * .
   */
  @SmallTest
  public void testOnCreateBundle() {
    assertNotNull(bActivity);
  }

  /**
   * Asserts that all fields are visible on the screen.
   */
  @SmallTest
  public void testFieldsOnScreen() {
    final View origin = bActivity.getWindow().getDecorView();
    ViewAsserts.assertOnScreen(origin, browserListView);
    ViewAsserts.assertOnScreen(origin, createBookButton);
  }

  /**
   * Asserts that the list was filled
   */
  public void testListViewFilled() {
    assertTrue("browserListView not filed",
        browserListView.getChildCount() > 0);
  }

  /**
   * Asserts that checkboxes can be clicked to be selected and that they are
   * initiated as false
   */
  public void testCheckBox() {
    for (int i = 0; i < browserListView.getChildCount(); i++) {
      CheckBox cb = (CheckBox) browserListView.getChildAt(i)
          .findViewById(R.id.checkBox);
      assertNotNull("checkbox null", cb);
      assertFalse("checkbox initiated as true", cb.isChecked());
      TouchUtils.clickView(this, cb);
      ViewAsserts.assertOnScreen(browserListView.getChildAt(i), cb);
      assertTrue("checkbox could not check", cb.isChecked());
    }
  }

  /**
   * Tests that a folder is clickable. This requires the device to have at
   * least one audio file within a folder (not directly on sdcard).
   */
  public void testClickFolder() {
    View child = browserListView.getChildAt(0);
    String preString = child.toString();
    TouchUtils.clickView(this, child);
    View clicked = browserListView.getChildAt(0);
    assertNotNull("Clicked null", clicked);
    // assert the file was clicked. Variable clicked will be a view with the
    // title ".." and the description "Parent Folder"
    assertFalse(
        "Clicked did not change (this test requires there to be at least one audio file within a directory).",
        preString.equals(clicked.toString()));
  }

  /**
   * Tests whether the button to create a new book works.
   */
  public void testCreateButton() {
    for (int i = 0; i < browserListView.getChildCount(); i++) {
      CheckBox cb = (CheckBox) browserListView.getChildAt(i)
          .findViewById(R.id.checkBox);
      if (!cb.isChecked()) {
        TouchUtils.clickView(this, cb);
      }
      assertTrue(cb.isChecked());
    }
    // BookCreator's Bookshelf is null, bypass this
    // somehow
    // As bookshelf is null in BookCreator and there seems to be no possible
    // way to
    // check whether a toast was displayed or not, this method is deemed to
    // be too hard to implement.
    // TouchUtils.clickView(this,createBookButton);-
  }

}

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